| acantha | (noun) any sharply pointed projection | Synonyms: spine, spur |
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| acanthion | (noun) the craniometric point at the anterior extremity of the intermaxillary suture | - |
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| acanthocephalan | (noun) any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines | Synonyms: spiny-headed worm |
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| acanthocyte | (noun) an abnormal red blood cell that has thorny projections of protoplasm | - |
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| acanthocytosis | (noun) the presence of acanthocytes in the blood stream (as in abetalipoproteinemia) | - |
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| acanthoid | (adjective) shaped like a spine or thorn | Synonyms: acanthous, spinous |
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| acantholysis | (noun) a breakdown of a cell layer in the epidermis (as in pemphigus) | - |
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| acanthoma | (noun) a neoplasm originating in the epidermis | Synonyms: skin tumor |
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| acanthopterygian | (noun) a teleost fish with fins that are supported by sharp inflexible rays | Synonyms: spiny-finned fish |
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| acanthosis | (noun) an abnormal but benign thickening of the prickle-cell layer of the skin (as in psoriasis) | - |
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| acanthotic | (adjective) of or relating to or having acanthosis | - |
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| acanthous | (adjective) shaped like a spine or thorn | Synonyms: acanthoid, spinous |
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| acanthus | (noun) any plant of the genus Acanthus having large spiny leaves and spikes or white or purplish flowers; native to Mediterranean region but widely cultivated | - |
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| anticancer | (adjective) used in the treatment of cancer | Synonyms: antineoplastic, antitumor, antitumour |
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| applicant | (noun) a person who requests or seeks something such as assistance or employment or admission | Synonyms: applier |
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| arcane | (adjective) requiring secret or mysterious knowledge | - |
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| arcanum | (noun) information known only to a special group | Synonyms: secret |
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| arccosecant | (noun) the angle that has a cosecant equal to a given number | Synonyms: arc cosecant, inverse cosecant |
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| arcsecant | (noun) the inverse function of the secant; the angle that has a secant equal to a given number | Synonyms: arc secant, arcsec, inverse secant |
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| ashcan | (noun) a bin that holds rubbish until it is collected | Synonyms: ash-bin, ash bin, ashbin, dustbin, garbage can, trash barrel, trash bin, trash can, wastebin |
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| barbacan | (noun) a tower that is part of a defensive structure (such as a castle) | Synonyms: barbican |
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| barbican | (noun) a tower that is part of a defensive structure (such as a castle) | Synonyms: barbacan |
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| basilican | (adjective) of or relating to or resembling a basilica | - |
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| buccaneer | (noun) someone who robs at sea or plunders the land from the sea without having a commission from any sovereign nation | Synonyms: pirate, sea robber, sea rover |
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| (verb) live like a buccaneer | - |
| buccaneering | (noun) hijacking on the high seas or in similar contexts; taking a ship or plane away from the control of those who are legally entitled to it | Synonyms: piracy |
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| calcaneal | (adjective) relating to the heel bone or heel | - |
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| calcaneus | (noun) the largest tarsal bone; forms the human heel | Synonyms: heelbone, os tarsi fibulare |
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| can | (noun) airtight sealed metal container for food or drink or paint etc. | Synonyms: tin, tin can |
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| (noun) a room or building equipped with one or more toilets | Synonyms: bathroom, john, lav, lavatory, privy, toilet |
| (noun) a plumbing fixture for defecation and urination | Synonyms: commode, crapper, pot, potty, stool, throne, toilet |
| (noun) the fleshy part of the human body that you sit on | Synonyms: arse, ass, backside, behind, bottom, bum, buns, butt, buttocks, derriere, fanny, fundament, hind end, hindquarters, keister, nates, posterior, prat, rear, rear end, rump, seat, stern, tail, tail end, tooshie, tush |
| (noun) a buoy with a round bottom and conical top | Synonyms: can buoy |
| (noun) the quantity contained in a can | Synonyms: canful |
| (verb) preserve in a can or tin | Synonyms: put up, tin |
| (verb) terminate the employment of; discharge from an office or position | Synonyms: dismiss, displace, fire, force out, give notice, give the axe, give the sack, sack, send away, terminate |
| canafistola | (noun) deciduous or semi-evergreen tree having scented sepia to yellow flowers in drooping racemes and pods whose pulp is used medicinally; tropical Asia and Central and South America and Australia | Synonyms: canafistula, Cassia fistula, drumstick tree, golden shower tree, pudding pipe tree, purging cassia |
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| canafistula | (noun) deciduous or semi-evergreen tree having scented sepia to yellow flowers in drooping racemes and pods whose pulp is used medicinally; tropical Asia and Central and South America and Australia | Synonyms: canafistola, Cassia fistula, drumstick tree, golden shower tree, pudding pipe tree, purging cassia |
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| canal | (noun) long and narrow strip of water made for boats or for irrigation | - |
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| (noun) a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance | Synonyms: channel, duct, epithelial duct |
| (noun) (astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion | - |
| (verb) provide (a city) with a canal | Synonyms: canalise, canalize |
| canalicular | (adjective) relating to or like or having a canaliculus | - |
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| canaliculate | (adjective) having thin parallel channels | - |
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| canaliculus | (noun) a small canal or duct as in some bones and parts of plants | - |
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| canalisation | (noun) the production of a canal or a conversion to canals | Synonyms: canalization |
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| (noun) management through specified channels of communication | Synonyms: canalization, channelisation, channelization |
| canalise | (verb) provide (a city) with a canal | Synonyms: canal, canalize |
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| canalization | (noun) the production of a canal or a conversion to canals | Synonyms: canalisation |
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| (noun) management through specified channels of communication | Synonyms: canalisation, channelisation, channelization |
| canalize | (verb) provide (a city) with a canal | Synonyms: canal, canalise |
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| canape | (noun) an appetizer consisting usually of a thin slice of bread or toast spread with caviar or cheese or other savory food | - |
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| canard | (noun) a deliberately misleading fabrication | - |
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| canary | (adjective) having the color of a canary; of a light to moderate yellow | Synonyms: canary-yellow |
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| (noun) any of several small Old World finches | Synonyms: canary bird |
| (noun) a moderate yellow with a greenish tinge | Synonyms: canary yellow |
| (noun) a female singer | - |
| (noun) someone acting as an informer or decoy for the police | Synonyms: fink, sneak, sneaker, snitch, snitcher, stool pigeon, stoolie, stoolpigeon |
| canasta | (noun) a form of rummy using two decks of cards and four jokers; jokers and deuces are wild; the object is to form groups of the same rank | Synonyms: basket rummy, meld |
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| canavanine | (noun) an amino acid found in the jack bean | - |
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| cancan | (noun) a high-kicking dance of French origin performed by a female chorus line | - |
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| cancel | (noun) a notation cancelling a previous sharp or flat | Synonyms: natural |
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| (verb) make invalid for use | Synonyms: invalidate |
| (verb) remove or make invisible | Synonyms: delete |
| (verb) declare null and void; make ineffective | Synonyms: strike down |
| (verb) postpone indefinitely or annul something that was scheduled | Synonyms: call off, scratch, scrub |
| (verb) make up for | Synonyms: offset, set off |
| cancellate | (adjective) having an open or latticed or porous structure | Synonyms: cancellated, cancellous |
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| (adjective) having a latticelike structure pierced with holes or windows | Synonyms: cancellated, clathrate |
| cancellated | (adjective) having an open or latticed or porous structure | Synonyms: cancellate, cancellous |
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| (adjective) having a latticelike structure pierced with holes or windows | Synonyms: cancellate, clathrate |
| cancellation | (noun) the act of cancelling; calling off some arrangement | - |
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| (noun) the speech act of revoking or annulling or making void | - |
| cancelled | (adjective) (of events) no longer planned or scheduled | Synonyms: off |
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| cancellous | (adjective) having an open or latticed or porous structure | Synonyms: cancellate, cancellated |
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| cancer | (noun) any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream | Synonyms: malignant neoplastic disease |
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| cancerous | (adjective) like a cancer; an evil that grows and spreads | - |
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| (adjective) relating to or affected with cancer | - |
| cancerweed | (noun) sage of eastern United States | Synonyms: cancer weed, Salvia lyrata |
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| cancroid | (adjective) of or relating to a cancroid | - |
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| (noun) the most common form of skin cancer | Synonyms: squamous cell carcinoma |
| candela | (noun) the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin | Synonyms: candle, cd, standard candle |
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| candelabra | (noun) branched candlestick; ornamental; has several lights | Synonyms: candelabrum |
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| candelabrum | (noun) branched candlestick; ornamental; has several lights | Synonyms: candelabra |
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| candelilla | (noun) wax-coated shrub of northern Mexico and southwestern United States | Synonyms: Euphorbia antisyphilitica |
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| (noun) wax-coated Mexican shrub related to Euphorbia antisyphilitica | Synonyms: Pedilanthus bracteatus, Pedilanthus pavonis |
| candent | (adjective) emitting light as a result of being heated | Synonyms: incandescent |
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| candescent | (adjective) glowing from great heat | - |
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| candid | (adjective) characterized by directness in manner or speech; without subtlety or evasion | Synonyms: blunt, forthright, frank, free-spoken, outspoken, plainspoken, point-blank, straight-from-the-shoulder |
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| (adjective) openly straightforward and direct without reserve or secretiveness | Synonyms: heart-to-heart, open |
| (adjective) informal or natural; especially caught off guard or unprepared | - |
| candida | (noun) any of the yeastlike imperfect fungi of the genus Candida | - |
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| candidacy | (noun) the campaign of a candidate to be elected | Synonyms: campaigning, candidature, electioneering, political campaign |
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| candidate | (noun) someone who is considered for something (for an office or prize or honor etc.) | Synonyms: prospect |
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| (noun) a politician who is running for public office | Synonyms: campaigner, nominee |
| candidature | (noun) the campaign of a candidate to be elected | Synonyms: campaigning, candidacy, electioneering, political campaign |
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| candidiasis | (noun) an infection caused by fungi of the genus Monilia or Candida (especially Candida albicans) | Synonyms: monilia disease, moniliasis |
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| candidly | (adverb) (used as intensives reflecting the speaker's attitude) it is sincerely the case that | Synonyms: frankly, honestly |
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| candidness | (noun) the quality of being honest and straightforward in attitude and speech | Synonyms: candor, candour, directness, forthrightness, frankness |
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| candied | (adjective) (used especially of fruits) preserved by coating with or allowing to absorb sugar | Synonyms: crystalised, crystalized, glace |
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| (adjective) encrusted with sugar or syrup | Synonyms: sugar-coated |
| candle | (noun) stick of wax with a wick in the middle | Synonyms: taper, wax light |
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| (noun) the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin | Synonyms: candela, cd, standard candle |
| (verb) examine eggs for freshness by holding them against a light | - |
| candleberry | (noun) deciduous aromatic shrub of eastern North America with grey-green wax-coated berries | Synonyms: bayberry, Myrica pensylvanica, swamp candleberry, waxberry |
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| candlelight | (noun) the light provided by a burning candle | Synonyms: candle flame |
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| candlemaker | (noun) a person who makes or sells candles | - |
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| candlenut | (noun) large tree native to southeastern Asia; the nuts yield oil used in varnishes; nut kernels strung together are used locally as candles | Synonyms: Aleurites moluccana, varnish tree |
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| (noun) seed of candlenut tree; source of oil used in varnishes | - |
| candlepin | (noun) a bowling pin that is thin by comparison with a tenpin | - |
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| candlepins | (noun) a bowling game using slender bowling pins | Synonyms: candlepin bowling |
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| candlepower | (noun) luminous intensity measured in candelas | Synonyms: light intensity |
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| candlesnuffer | (noun) an implement with a small cup at the end of a handle; used to extinguish the flame of a candle | - |
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| candlestick | (noun) a holder with sockets for candles | Synonyms: candle holder |
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| candlewick | (noun) the wick of a candle | - |
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| (noun) loops of soft yarn are cut to give a tufted pattern | - |
| candlewood | (noun) any of several resinous trees or shrubs often burned for light | - |
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| candor | (noun) the quality of being honest and straightforward in attitude and speech | Synonyms: candidness, candour, directness, forthrightness, frankness |
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| (noun) ability to make judgments free from discrimination or dishonesty | Synonyms: candour, fair-mindedness, fairness |
| candour | (noun) the quality of being honest and straightforward in attitude and speech | Synonyms: candidness, candor, directness, forthrightness, frankness |
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| (noun) ability to make judgments free from discrimination or dishonesty | Synonyms: candor, fair-mindedness, fairness |
| candy | (noun) a rich sweet made of flavored sugar and often combined with fruit or nuts | Synonyms: confect |
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| (verb) coat with something sweet, such as a hard sugar glaze | Synonyms: glaze, sugarcoat |
| candyfloss | (noun) a candy made by spinning sugar that has been boiled to a high temperature | Synonyms: cotton candy, spun sugar |
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| candymaker | (noun) someone who makes candies and other sweets | Synonyms: confectioner |
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| candytuft | (noun) any of various flowering plants of the genus Iberis cultivated for their showy clusters of white to red or purple flowers; native to Mediterranean region | - |
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| candyweed | (noun) bog plant of pine barrens of southeastern United States having spikes of irregular yellow-orange flowers | Synonyms: orange milkwort, Polygala lutea, yellow bachelor's button, yellow milkwort |
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| cane | (noun) a stiff switch, used to hit (usually students) as punishment | - |
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| (noun) a stick that people can lean on to help them walk | - |
| (noun) a strong slender often flexible stem as of bamboos, reeds, rattans, or sugar cane | - |
| (verb) beat with a cane | Synonyms: flog, lambast, lambaste |
| canebrake | (noun) a dense growth of cane (especially giant cane) | - |
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| canecutter | (noun) a wood rabbit of southeastern United States swamps and lowlands | Synonyms: swamp hare, swamp rabbit, Sylvilagus aquaticus |
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| canella | (noun) highly aromatic inner bark of the Canella winterana used as a condiment and a tonic | Synonyms: canella bark, white cinnamon |
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| canescent | (adjective) of greyish white | - |
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| (adjective) covered with fine whitish hairs or down | Synonyms: hoary |
| canfield | (noun) a form of solitaire that involves gambling | - |
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| canful | (noun) the quantity contained in a can | Synonyms: can |
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| cangue | (noun) an instrument of punishment formerly used in China for petty criminals; consists of a heavy wooden collar enclosing the neck and arms | - |
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| canicular | (adjective) relating to or especially immediately preceding or following the heliacal rising of Canicula (the Dog Star) | - |
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| (adjective) of or relating to the dog days of summer | - |
| canicule | (noun) the hot period between early July and early September; a period of inactivity | Synonyms: canicular days, dog days |
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| canid | (noun) any of various fissiped mammals with nonretractile claws and typically long muzzles | Synonyms: canine |
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| canine | (adjective) of or relating to or characteristic of members of the family Canidae | - |
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| (adjective) of or relating to a pointed conical tooth | Synonyms: laniary |
| (noun) any of various fissiped mammals with nonretractile claws and typically long muzzles | Synonyms: canid |
| (noun) one of the four pointed conical teeth (two in each jaw) located between the incisors and the premolars | Synonyms: canine tooth, cuspid, dogtooth, eye tooth, eyetooth |